Hammer Union Seals
Hammer Union Seals for Reliable Leak Prevention
Hammer Union Seals are essential components in hammer union-style pipe connections, ensuring secure flow lines and preventing leakage. Commonly used in the Oil & Gas Industry, steel mills, chemical plants, strip mining, and marine dredging, these seals provide durability and performance in high-pressure environments.

Premium Hammer Union Seals by Eastern Seals
At Eastern Seals, we offer high-quality Hammer Union Seals in a variety of materials to suit different applications. Available in 2”, 3” and 4”.
Nitrile (NBR / Buna-N) – Ideal for standard service with excellent oil resistance.
Viton® (FKM) – Enhanced resistance to high temperatures and harsh chemicals.
HNBR – Specifically designed for sour gas service, offering superior strength.
For added durability, we also provide hammer union seals complete with anti-extrusion reinforced rings in brass or stainless steel to extend the seal’s lifespan under extreme conditions.
Why Choose Eastern Seals?
✔ High-quality materials for superior performance
✔ Wide range of options to fit various applications
✔ Trusted supplier for the oil & gas and industrial sectors
Need Hammer Union Seals for your operation? Contact us today
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We are one of the largest suppliers of British Standard, Metric series O-rings and sealing solutions.
Visit Store NowEastern Seals (UK) Ltd
Unit 3 Sovereign Business Park
Jubilee Industrial Estate
Ashington | Northumberland
NE63 8UG
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